package com.qcby.controller;

import cn.hutool.json.JSONObject;
import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.internal.util.AlipaySignature;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.qcby.Constants;
import com.qcby.configuration.AliPayConfig;
import com.qcby.dao.TicketOrderMapper;
import com.qcby.model.ScreeningOrganize;
import com.qcby.model.TicketOrder;
import com.qcby.model.dto.OrderCreateDto;
import com.qcby.model.resp.RespEntity;
import com.qcby.service.HallSeatArrayService;
import com.qcby.service.ScreeningOrganizeService;
import com.qcby.service.TicketOrderService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.sql.Timestamp;
import java.text.SimpleDateFormat;
import java.util.*;

@RestController
@RequestMapping("/alipay")
public class AliPayController {

    private static final String GATEWAY_URL = "https://openapi-sandbox.dl.alipaydev.com/gateway.do";
    //https://openapi-sandbox.dl.alipaydev.com/gateway.do
    private static final String FORMAT = "JSON";
    private static final String CHARSET = "UTF-8";
    //签名方式
    private static final String SIGN_TYPE = "RSA2";

    @Autowired
    private AliPayConfig aliPayConfig;

    @Autowired
    private TicketOrderService ticketOrderService;
    @Autowired
    private TicketOrderMapper ticketOrderMapper;
    @Autowired
    private HallSeatArrayService hallSeatArrayService;
    @Autowired
    private ScreeningOrganizeService organizeService;

    @PostMapping("/pay") // &subject=xxx&traceNo=xxx&totalAmount=xxx
    @Transactional(rollbackFor = Exception.class)
    public void pay(@RequestBody OrderCreateDto createDto, HttpServletResponse httpResponse) throws Exception {
        System.out.println("createDto的信息"+createDto);
        //创建订单 todo
        List<String> seatList = createDto.getSeatList();
        // 共用一个订单号
        String traceNo = UUID.randomUUID().toString().replaceAll("-", "");
        Timestamp createTime = new Timestamp(System.currentTimeMillis());
        for (String seat : seatList) {
            TicketOrder order = new TicketOrder();
            order.setUid(createDto.getUid());
            order.setCId(createDto.getCId());
            order.setSoId(createDto.getSoId());
            order.setOCreatedAt(createTime);
            order.setAmount(createDto.getAmount().divide(new BigDecimal(seatList.size())).setScale(2, RoundingMode.HALF_UP));
            order.setSeat(seat);
            order.setOrderStatus("10");
            order.setOrderNo(traceNo);
            Integer oid = ticketOrderService.insertOrder(order);
        }


        // 1. 创建Client，通用SDK提供的Client，负责调用支付宝的API
        AlipayClient alipayClient = new DefaultAlipayClient(GATEWAY_URL, aliPayConfig.getAppId(),
                aliPayConfig.getAppPrivateKey(), FORMAT, CHARSET, aliPayConfig.getAlipayPublicKey(), SIGN_TYPE);

        // 2. 创建 Request并设置Request参数
        AlipayTradePagePayRequest request = new AlipayTradePagePayRequest();  // 发送请求的 Request类
        request.setNotifyUrl(aliPayConfig.getNotifyUrl());
        request.setReturnUrl(aliPayConfig.getReturnUrl());
        JSONObject bizContent = new JSONObject();
        bizContent.set("out_trade_no", traceNo);  // 我们自己生成的订单编号
        bizContent.set("total_amount", createDto.getAmount()); // 订单的总金额
        bizContent.set("subject", "电影票|" + createDto.getUid() + "|" + createDto.getSoId() + "|" + createTime + "|"
                + createDto.getHid());   // 支付的名称
        bizContent.set("product_code", "FAST_INSTANT_TRADE_PAY");  // 固定配置
        request.setBizContent(bizContent.toString());

        // 执行请求，拿到响应的结果，返回给浏览器
        String form = "";
        try {
            form = alipayClient.pageExecute(request).getBody(); // 调用SDK生成表单
        } catch (AlipayApiException e) {
            e.printStackTrace();
        }
        System.out.println(form);
        httpResponse.setContentType("text/html;charset=" + CHARSET);
        httpResponse.getWriter().write(form);// 直接将完整的表单html输出到页面
        httpResponse.getWriter().flush();
        httpResponse.getWriter().close();
    }

    /**
     * 'http://localhost:9090/alipay/pay?traceNo=' + row.orderNo + "&totalAmount=" + row.price + '&subject=' + row.name
     *
     * @param request
     * @return
     * @throws Exception
     */
    @PostMapping("/notify")// 注意这里必须是POST接口
    public String payNotify(HttpServletRequest request) throws Exception {
        System.out.println("访问了----");
        if (request.getParameter("trade_status").equals("TRADE_SUCCESS")) {
            System.out.println("=========支付宝异步回调========");

            Map<String, String> params = new HashMap<>();
            Map<String, String[]> requestParams = request.getParameterMap();
            for (String name : requestParams.keySet()) {
                params.put(name, request.getParameter(name));
                // System.out.println(name + " = " + request.getParameter(name));
            }

            String outTradeNo = params.get("out_trade_no");
            String gmtPayment = params.get("gmt_payment");
            String alipayTradeNo = params.get("trade_no");

            String sign = params.get("sign");
            String content = AlipaySignature.getSignCheckContentV1(params);
            boolean checkSignature = AlipaySignature.rsa256CheckContent(content, sign,
                    aliPayConfig.getAlipayPublicKey(), "UTF-8"); // 验证签名
            // 支付宝验签
            if (checkSignature) {
                // 验签通过
                System.out.println("交易名称: " + params.get("subject"));
                System.out.println("交易状态: " + params.get("trade_status"));
                System.out.println("支付宝交易凭证号: " + params.get("trade_no"));//
                System.out.println("商户订单号: " + params.get("out_trade_no"));
                System.out.println("交易金额: " + params.get("total_amount"));
                System.out.println("买家在支付宝唯一id: " + params.get("buyer_id"));
                System.out.println("买家付款时间: " + params.get("gmt_payment"));
                System.out.println("买家付款金额: " + params.get("buyer_pay_amount"));
                List<TicketOrder> orderList = ticketOrderMapper.selectByOrderNo(outTradeNo);
                if (orderList != null && orderList.size() != 0) {
                    for (TicketOrder ticketOrder : orderList) {
                        TicketOrder orderUpdate = new TicketOrder();

                        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                        Date date = sdf.parse(gmtPayment);
                        orderUpdate.setPayAt(new Timestamp(date.getTime()));
                        orderUpdate.setOrderStatus("20");
                        String qrCodeValue = ticketOrder.getOid() + "|" + ticketOrder.getUid() + "|" +
                                ticketOrder.getSoId() + "|" + ticketOrder.getCId() + "-" + ticketOrder.getSeat();
                        orderUpdate.setQrCodeValue(qrCodeValue);
                        ticketOrderService.updateByOrderNo(orderUpdate, ticketOrder.getOid());

                        // 更新影厅座位信息和场次剩余座位信息
                        String parts[] = ticketOrder.getSeat().split("-");
                        Integer rowIndex = Integer.parseInt(parts[0]);
                        Integer lineIndex = Integer.parseInt(parts[1]);
                        String[] subjectArr = params.get("subject").split("\\|");


                        Integer hid = Integer.parseInt(subjectArr[subjectArr.length - 1]);
                        System.out.println(">>> hid为：" + hid);
                        hallSeatArrayService.updateValue(rowIndex, lineIndex, hid);
                        organizeService.updateLeftSeat(ticketOrder.getSoId());

                    }
                }
            }
        }
        return "success";
    }


    @PostMapping("/refund")
    public RespEntity<String> refund(@RequestParam Integer oid) {
        TicketOrder orderToRefund = ticketOrderMapper.selectByPrimaryKey(oid);
        if ("80".equals(orderToRefund.getOrderStatus())) {
            return RespEntity.errorNoData(Constants.FLAG_400, "已退款，请不要重复退款！");
        }
        Timestamp now = new Timestamp(System.currentTimeMillis());
        ScreeningOrganize organize = organizeService.selectByPrimaryKey(orderToRefund.getSoId());
        Timestamp beginTime = organize.getBeginTime();
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(new Date(beginTime.getTime()));
        calendar.add(Calendar.HOUR_OF_DAY, -3);
        // 距离开场3小时之外才能退票
        if (now.before(new Timestamp(calendar.getTime().getTime()))) {
            orderToRefund.setOrderStatus("30");
            ticketOrderMapper.updateByPrimaryKeySelective(orderToRefund);
            return RespEntity.successNoData("退票成功！");
        } else {
            throw new IllegalArgumentException("当前时间距离开场不足3小时，不能退票！");
        }
    }
}
